Yellowstone Wolves Drop to About 90 in 2025: What’s Driving the Decline and Why It Matters

Yellowstone Wolves Drop to About 90 in 2025: What’s Driving the Decline and Why It Matters

Posted by montanaoutdoor on March 10, 2026

In 2025, the iconic wolves of Yellowstone National Park experienced a concerning decline in their population, igniting discussions among conservationists and wildlife enthusiasts alike. This development is not just a statistical change but a reflection of broader ecological dynamics and human influences that require urgent attention.

Key Takeaways

  • Yellowstone reported a decline from approximately 123 wolves in 2024 to around 90 in 2025 (about a 27% decrease).
  • Park managers cite natural mortality, disease, inter-pack conflict, and environmental changes as contributing factors.
  • Shifts linked to climate change—especially impacts on prey availability and habitat conditions—remain a growing concern.
  • Fewer wolves can ripple through the food web, affecting prey behavior and vegetation, with broader biodiversity impacts.
  • Officials are monitoring the trend using tracking and research to understand what’s driving the change.

What’s Happening

Yellowstone National Park, renowned for its successful wolf reintroduction program, reported a decline in its wolf population in 2025. The park’s management noted that the number of wolves fell from approximately 123 in 2024 to around 90 in 2025. This decline, representing a 27% decrease, is significant given the park’s role in wolf conservation and research.

Several factors have contributed to this downturn. Natural mortality due to disease, inter-pack conflict, and environmental changes have all played a role. Additionally, the impact of climate change on prey availability and habitat conditions has been a growing concern. The park’s management is actively monitoring these developments through advanced tracking and research methodologies.

Wolf pups in Yellowstone National Park
Wolf pups in Yellowstone National Park, a critical component of the park’s ecosystem.

For readers tracking Yellowstone wildlife more broadly (and where you may still spot wolves in-season), see our guide to Yellowstone’s Spring Wildlife Boom: Where to Spot Bison, Elk, Bears, and Wolves This Season.

Why It Matters

The decline in Yellowstone’s wolf population is more than a local concern; it has broader ecological implications. Wolves are apex predators, playing a crucial role in maintaining the balance of their ecosystems. Their presence affects the populations and behaviors of prey species such as elk and deer, which in turn influences vegetation growth and overall biodiversity.

The reduction in wolf numbers could lead to overpopulation of certain prey species, potentially resulting in overgrazing and habitat degradation. This change can cascade through the ecosystem, affecting other wildlife and the park’s overall health.

Moreover, Yellowstone wolves are a vital part of the park’s identity, drawing tourists and researchers from around the world, and their decline could impact the park’s economic and educational value. If you want a closer look at how wolves interact with other iconic species on the landscape, don’t miss Bison Herd Faces Off With a Pack of 23 Wolves in Yellowstone’s Lamar Valley (Video).

The Bigger Picture

The story of Yellowstone’s wolves is one of conservation success and challenges. Reintroduced in the mid-1990s after being extinct in the region for decades, the wolves quickly became a symbol of ecological restoration. Their reintroduction has provided invaluable insights into predator-prey dynamics and ecosystem management.

However, the current decline highlights ongoing challenges. Across North America, wolf populations face threats from habitat loss, human-wildlife conflict, and legislative shifts that affect their protection status. As debates continue over land use and wildlife management, the situation in Yellowstone serves as a microcosm of larger conservation issues.

Human impacts near park boundaries can also shape the conversation around wolf management. For related context, see Illegal Killing of Yellowstone Wolf Near Park Border Sparks Montana Poaching Investigation.

What to Watch For

Looking ahead, the focus will be on monitoring the wolf population through the coming seasons. Park officials and researchers will continue to study the factors influencing the decline, including potential changes in prey populations and environmental conditions. Additionally, there may be a need for policy adjustments to address human impacts and to enhance habitat protection.

Conversations among stakeholders, including conservation groups, policymakers, and the public, are crucial in shaping the future of wolf management in Yellowstone and beyond. As these discussions evolve, they will likely influence conservation strategies across the continent.

This article is based on reporting by The Livingston Enterprise.

Frequently Asked Questions

Why did the wolf population in Yellowstone decline in 2025?
The decline was attributed to natural mortality, disease, inter-pack conflicts, and environmental changes affecting prey availability and habitat conditions.
How many wolves were in Yellowstone in 2025?
Approximately 90 wolves were reported in Yellowstone National Park in 2025.
How does this compare to 2024?
Park management reported approximately 123 wolves in 2024, which means the 2025 count reflects a significant drop.
What are the implications of a declining wolf population in Yellowstone?
The decline could contribute to imbalances in prey populations, which can affect vegetation and overall ecosystem health, potentially impacting biodiversity across the park.
What factors influence wolf population dynamics?
Wolf populations are influenced by prey availability, habitat conditions, disease, human activity, climate-related environmental changes, and inter-pack conflict.
How does Yellowstone monitor wolf populations?
The park uses tracking technologies and research to monitor wolf numbers and health while studying ecological impacts and population trends.
Could climate change be part of what’s happening?
Park management noted growing concern about climate change impacts on prey availability and habitat conditions, which can affect wolf survival and reproduction.
Why are Yellowstone wolves important beyond the park?
Yellowstone’s wolves are widely studied and help inform predator-prey research and ecosystem management discussions that extend beyond the park.

Related Reading

Source: The Livingston Enterprise

Topics
Yellowstone National Park

Yellowstone’s First Grizzly Bear Sighting of 2026: Biologists Spot Bear on Bison Carcass in Northern Backcountry

Mar-10-26 by Moosetrack Megan

Yellowstone biologists reported the park’s first grizzly bear sighting of 2026 on March 9, after observing a bear scavenging a bull bison carcass in the northern backcountry. Here’s how this year compares to recent first-sighting dates—and what visitors should know about bear safety as bears emerge from hibernation.

Helicoptering Into Landlocked Public Land in Wyoming for Elk Sparks Viral Rancher Confrontation—and a Theft Charge

Mar-10-26 by Angela Montana

After more than a decade of building Wyoming elk preference points, Andrew McKean and friends cashed in on a hard-to-access unit by flying a helicopter into landlocked public ground surrounded by private ranches. The hunt was lights-out—until a nearby rancher allegedly hauled off an elk head, triggering a tense confrontation, a viral video, and a theft charge.

LIVE Saturday Mornings
from 6:06am to 8:00am

Montana Fishing Reports

Montana Tourney Trail

MT Wildlife

Idaho Shed Hunter Stumbles on Two Napping Mountain Lions—Can You Spot Them in the Photos?

Mar-08-26 by Angela Montana

An Idaho outdoorsman looking for sheds got the surprise of a lifetime when he accidentally walked into a pair of mountain lions napping in the sun. The photos and video are a sharp reminder of how easily these predators disappear into the landscape.

Idaho Lethally Removed 82 Mule Deer From a Captive Elk Facility—Here’s Why CWD Risk Drove the Decision

Mar-03-26 by Angela Montana

Idaho Fish and Game removed 82 wild mule deer that entered a captive elk facility in GMU 60A after hunters reported seeing them inside during the 2025 season. Officials said lethal removal and CWD testing were the most responsible option because wild deer can’t legally remain in captivity and there’s no reliable live test for chronic wasting disease.

Mountain Lions Can Roam Shockingly Far: One Traveled From South Dakota’s Black Hills to Connecticut

Mar-02-26 by Angela Montana

Most mountain lions stay within a home range—but documented dispersals show some can go far beyond what most people imagine. One young tom’s journey from South Dakota’s Black Hills to Connecticut topped 1,500 miles, and GPS studies have captured other long treks, including a female that logged close to 1,000 miles across multiple western states.

Viral Stories

DIY Ice Fishing Hole Cover Hack: Warmer Feet in an Ice Shelter (Clam X600 Setup)

Dec-21-25 by Angela Montana

Minnesota angler Beau Rochel shared a simple DIY multi-hole cover for a Clam X600 ice shelter to help keep feet warmer while fishing. Here’s the basic idea, materials mentioned, and an easy foam-tile alternative that’s becoming a trend for overnight shack anglers.

Massive Elk Herd Roams Through Colorado Neighborhood Yards, Stuns Mom and Daughter

Dec-19-25 by Angela Montana

A mom and daughter in Colorado were stunned when a massive elk herd took over their neighborhood yards. The same elk have also been seen along a nearby highway and even shutting down a local golf course—another reminder that in elk country, wildlife can show up anywhere.

Helena’s Team Grey Bull Lands $500K+ at Bisbee’s Los Cabos Offshore Tournament With 398-Pound Black Marlin

Nov-05-25 by montanaoutdoor

A six-man crew from Helena, Montana, took home more than half a million dollars at Bisbee’s Los Cabos Offshore Tournament in Cabo San Lucas, Mexico. Team Grey Bull beat out a packed field to place third in the Billfish Division after landing a 398-pound black marlin.

Rare Video: Wolverine Hunting a Deer Near Ajax Mountain, Montana (2017)

Oct-19-25 by Angela Montana

Shot over the 4th of July weekend in 2017 near Ajax Mountain, Montana, this rare clip captures a wolverine in action. Wolverines are famously elusive in the Lower 48—only about 300 are thought to remain—and can travel 18–20 miles in a single day.

Bear, an AKC Anatolian Shepherd, Heads From Montana to South Africa for Livestock Guardian Dog Program

Aug-15-25 by Angela Montana

Wild Rooster Farm’s Bear, an AKC purebred Anatolian Shepherd from Kalispell, Montana, is set to travel to South Africa to join the Cheetah Outreach Trust as a breeding stud in its Livestock Guardian Dog program—aimed at protecting livestock while supporting cheetah conservation.

Montana FWP

Montana FWP Upper Missouri River Fisheries Meeting (March 16, Helena): Canyon Ferry, Hauser, Holter Updates

Mar-10-26 by Angela Montana

Montana Fish, Wildlife & Parks hosts its annual Upper Missouri River Reservoir Fisheries Management Plan update on March 16 at 6 p.m. in Helena. Hear population trends and management updates for Canyon Ferry, Hauser, Holter, and nearby Missouri River sections—and learn what keeps these popular fisheries producing year after year.

Free Bozeman Workshop Teaches Dog Owners How to Release a Pet From a Trap (March 26)

Mar-10-26 by Angela Montana

Montana K9 Safety is hosting a free trap release workshop for Bozeman-area dog owners on March 26. Expect hands-on demos with multiple trap types, a look at current trapping regulations, and simple tools that can help you safely free a dog if an accident happens on the trail.

Wild Game Recipes

Alaska-Style Salmon Loaf Makeover: Kokanee Quinn’s Creamy, Smoked Salmon Twist (Quick Weeknight Recipe)

Mar-07-26 by Angela Montana

Kokanee Quinn resurrects a hard-to-find Alaska community-cookbook classic: salmon loaf—made with thawed frozen salmon (not canned) plus a little smoked salmon, cream, butter, Parmesan, lemon zest, and hot sauce. The result eats like a rich salmon burger baked into a loaf with a buttery, crumbly topping—easy enough for weeknights, impressive enough for guests.

5 Wildly Unique Jerky Recipes to Try: Dr Pepper Jalapeño, Maple Syrup, Chocolate-Covered, Coffee & Bloody Mary

Mar-05-26 by Angela Montana

Bored of basic beef jerky? These five wildly unique jerky recipes—from Dr Pepper Jalapeño to chocolate-covered, coffee-marinated, maple syrup, and Bloody Mary—bring sweet heat, smoky depth, and serious snack-time swagger.